Home / 29,458.18-40,647.72-16,880.50

Finding the Fourth Proportional to 29,458.18, 40,647.72 and 16,880.50

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Solution

The fourth proportional to 29,458.18, 40,647.72 and 16,880.50 is: 23,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,458.18 : 40,647.72 = 16,880.50 : x
  2. Step 2: Convert to fraction form
    29,458.18/40,647.72 = 16,880.50/x
  3. Step 3: Cross multiply
    29,458.18x = 40,647.72 × 16,880.50
  4. Step 4: Simplify right side
    29,458.18x = 686,153,837.46
  5. Step 5: Solve for x
    x = 686,153,837.46/29,458.18
  6. Step 6: Final answer
    x = 23,292.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.